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asin()
Calculates the angle whose sine is the specified number, or the arc sine. This is the inverse operation of sin().
Syntax
asin(x)
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| x | real | ✓ | A real number in range [-1, 1] used to calculate the arc sine. |
Returns
Returns the value of the arc sine of x. Returns null if x < -1 or x > 1.
Example
print asin(0.5)
Results
| result |
|---|
| 0.5235987755982989 |